package lock;

import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;

public class CyclicBarrierLatchDemo {

    public static void main(String[] args) {

        //CyclicBarrier(int parties,Runnable barrierAction)
        CyclicBarrier cyclicBarrier =new CyclicBarrier(7,     () -> {
                //线程要执行的代码
            System.out.println("***召唤神龙");
             });

        for(int i = 1; i <= 7; i++) {
            final int tempInt = i;
            new Thread(() -> {
            //线程执行方法语句
                System.out.println(Thread.currentThread().getName() + "\t 收集到第" + tempInt + "几颗龙珠");
                try {
                    cyclicBarrier.await();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                } catch (BrokenBarrierException e) {
                    e.printStackTrace();
                }
            },String.valueOf(i)).start();
          }
    }
}
